KIAD · Washington Dulles International Airport — METAR & TAF

Current observation (METAR)

SPECI KIAD 172236Z 36011KT 7SM -TSRA BKN045CB BKN080 OVC150 27/22 A2984 RMK AO2 RAB24 TSB36 OCNL LTGIC SW-W TS SW-W MOV E P0001 T02670222

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Observed: 17 Aug 22:36 UTC · 18:36 EDT local (41 min ago) SPECI
Wind: From 360° (N) at 11 kt
Visibility: 7 statute miles
Weather: Light thunderstorm with rain
Clouds: Broken (5–7 oktas) at 4,500 ft (CB)
Broken (5–7 oktas) at 8,000 ft
Overcast (8 oktas) at 15,000 ft
Temperature: 27°C (81°F)
Dewpoint: 22°C (72°F)
Rel. humidity: 74%
Pressure: A2984 (29.84 inHg) · QNH 1010 hPa

Remarks

AO2 Automated station with precipitation discriminator LTGIC Lightning: In-Cloud P0001 Hourly Precipitation: 0.01 inches T02670222 Precise Temp: 26.7 °C, Dewpoint: 22.2 °C

Visual summary

Wind

Clouds

Temp / dewpoint

Forecast (TAF)

TAF KIAD 172251Z 1723/1824 35010KT P6SM VCTS BKN040CB OVC150 TEMPO 1723/1724 5SM -TSRA BKN040CB FM180000 30003KT P6SM SCT045 BKN100 FM181500 34007KT P6SM SCT100

Issued 172251Z · valid 1723 → 1824

Initial 1723 to 1824

From 350° (N) at 10 kt. Visibility 6 statute miles. In the vicinity: thunderstorm. Broken (5–7 oktas) at 4,000 ft (CB); Overcast (8 oktas) at 15,000 ft
Temporary 1723 to 1724

Visibility 5 statute miles. Light thunderstorm with rain. Broken (5–7 oktas) at 4,000 ft (CB)
From From 180000Z

From 300° (WNW) at 3 kt. Visibility 6 statute miles. Scattered (3–4 oktas) at 4,500 ft; Broken (5–7 oktas) at 10,000 ft
From From 181500Z

From 340° (NNW) at 7 kt. Visibility 6 statute miles. Scattered (3–4 oktas) at 10,000 ft